1.

If f(x)={([x]+[-x],x!=2),(lamda, x=2):}is continuous at x=2 then lamda= (where [.] denotes greatest integer)

Answer»

`-1`
0
1
2

Solution :`lamda=lim_(xto2)[X]+[-x]`
`[x]-[x]-1`
`=-1`


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